參數(shù)資料
型號： CDB4226
廠商： Cirrus Logic, Inc.
元件分類： Codec
英文描述： Surround Sound Codec
中文描述： 環(huán)繞聲編解碼器
文件頁數(shù)： 41/60頁
文件大?。?/td> 1619K
代理商： CDB4226
CDB4226
DS188DB1
41
Byte. This clock line is useful for synchronizing
external A/D converters or other peripheral compo-
nents. CLKOUT1 can be tristated by selecting the
position of the CLK_SEL jumper, defined in
Table 1. This feature may be useful in interfacing
other Crystal evaluation boards (CDB5330A and
CDB5334/35 for example) to the CDB4226, as it
prevents a drive contention on the MCLK output of
these boards.
S/PDIF Input Interface
The optical and coaxial digital inputs labeled
RX_OPT and RX_DIG (Figure 8) allow access to
the on-chip S/PDIF receiver, which can receive and
decode one of four S/PDIF input sources. Setting
the CS2/1/0 bits in the Clock Mode Byte to 4, 5, 6,
or 7 (hex) will configure the CS4226 to choose
RX1, RX2, RX3, or RX4, respectively, as the
S/PDIF input source. The coaxial input, RX_DIG,
is dedicated to the RX1 input on the CS4226. The
optical input, RX_OPT, can be routed to one of the
three other S/PDIF receiver input pins by using the
RX_SEL jumper. Setting RX_SEL to the RX2,
RX3, or RX4 position will route the S/PDIF data
from the optical input to the RX2, RX3, or RX4 pin
of the codec.
CONNECTOR
NAME
+5 VA
+5 VD
+/- 12 V
AGND
GND
AIN1L, AIN1R
AIN2L, AIN2R
AIN3L, AIN3R
AINAUX
OUT1 - OUT6
RX_DIG
RX_OPT
8402_DIG
8402_OPT
DATAUX
LRCLKAUX,
SCLKAUX
CLKOUT1
SCL/CCLK1
SDA/CDOUT1
SDIN1, SDIN2,
SDIN3
XT
CONNECTOR TYPE
INPUT /
OUTPUT
input
input
input
input
input
inputs
inputs
inputs
input
outputs
input
input
output
output
input
inputs/outputs
SIGNAL PRESENT
binding post
binding post
binding post
binding post
binding post
RCA
RCA
RCA
RCA
RCA
RCA
Toslink
RCA
Toslink
header (AUX_HDR)
header (AUX_HDR)
+5 Volts for analog section
+5 Volts for digital section
+/- 12 Volts for analog input and output buffers
analog ground connection from power source
digital ground connection from power source
left and right channel analog inputs, 1st stereo pair
left and right channel analog inputs, 2nd stereo pair
left and right channel analog inputs, 3rd stereo pair
auxiliary analog input
six buffered and filtered DAC output channels
coaxial input to RX1 of CS4226 S/PDIF receiver
optical input to RX2, 3, or 4 of CS4226 S/PDIF receiver
CS8402A digital output via transformer
CS8402A digital output via optical transmitter
AUX port serial data input
I/O for AUX port serial and left/right clocks
header (AUX_HDR)
header (DSP_HDR)
header (DSP_HDR)
header (DSP_HDR)
output
input
bidirectional
inputs
buffered CLKOUT from CS4226
serial control clock for I
2
C interface
control data I/O line for I
2
C interface
DSP port serial data inputs
header (DSP_HDR)
input/output
DSP port XTI input access, or buffered XTO from
CS4226
buffered CLKOUT from CS4226
I/O for DSP port serial and left/right clocks
DSP port serial data outputs
CLKOUT
LRCK, SCLK
SDOUT1,
SDOUT2
PC CONN
header (DSP_HDR)
header (DSP_HDR)
header (DSP_HDR)
output
inputs/outputs
outputs
DB-25
inputs/outputs
DB-25 connector to PC for SPI/I
2
C control port signals
Table 2. System Connections
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